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denoland-deno/std/node/_fs/promises/_fs_writeFile_test.ts

137 lines
3.9 KiB
TypeScript

// Copyright 2018-2020 the Deno authors. All rights reserved. MIT license.
import {
assert,
assertEquals,
assertNotEquals,
assertThrowsAsync,
} from "../../../testing/asserts.ts";
import { writeFile } from "./_fs_writeFile.ts";
import { TextEncodings } from "../_fs_common.ts";
const decoder = new TextDecoder("utf-8");
Deno.test("Invalid encoding results in error()", function testEncodingErrors() {
assertThrowsAsync(
async () => {
// @ts-expect-error Type '"made-up-encoding"' is not assignable to type
await writeFile("some/path", "some data", "made-up-encoding");
},
Error,
`The value "made-up-encoding" is invalid for option "encoding"`
);
assertThrowsAsync(
async () => {
await writeFile("some/path", "some data", {
// @ts-expect-error Type '"made-up-encoding"' is not assignable to type
encoding: "made-up-encoding",
});
},
Error,
`The value "made-up-encoding" is invalid for option "encoding"`
);
});
Deno.test(
"Unsupported encoding results in error()",
function testUnsupportedEncoding() {
assertThrowsAsync(
async () => {
await writeFile("some/path", "some data", "utf16le");
},
Error,
`Not implemented: "utf16le" encoding`
);
}
);
Deno.test(
"Data is written to correct rid",
async function testCorrectWriteUsingRid() {
const tempFile: string = await Deno.makeTempFile();
const file: Deno.File = await Deno.open(tempFile, {
create: true,
write: true,
read: true,
});
await writeFile(file.rid, "hello world");
Deno.close(file.rid);
const data = await Deno.readFile(tempFile);
await Deno.remove(tempFile);
assertEquals(decoder.decode(data), "hello world");
}
);
Deno.test(
"Data is written to correct file",
async function testCorrectWriteUsingPath() {
const openResourcesBeforeWrite: Deno.ResourceMap = Deno.resources();
await writeFile("_fs_writeFile_test_file.txt", "hello world");
assertEquals(Deno.resources(), openResourcesBeforeWrite);
const data = await Deno.readFile("_fs_writeFile_test_file.txt");
await Deno.remove("_fs_writeFile_test_file.txt");
assertEquals(decoder.decode(data), "hello world");
}
);
Deno.test(
"Data is written to correct file encodings",
async function testCorrectWritePromiseUsingDifferentEncodings() {
const encodings = [
["hex", "68656c6c6f20776f726c64"],
["HEX", "68656c6c6f20776f726c64"],
["base64", "aGVsbG8gd29ybGQ="],
["BASE64", "aGVsbG8gd29ybGQ="],
["utf8", "hello world"],
["utf-8", "hello world"],
];
for (const [encoding, value] of encodings) {
await writeFile(
"_fs_writeFile_test_file.txt",
value,
encoding as TextEncodings
);
const data = await Deno.readFile("_fs_writeFile_test_file.txt");
await Deno.remove("_fs_writeFile_test_file.txt");
assertEquals(decoder.decode(data), "hello world");
}
}
);
Deno.test("Mode is correctly set", async function testCorrectFileMode() {
if (Deno.build.os === "windows") return;
const filename = "_fs_writeFile_test_file.txt";
await writeFile(filename, "hello world", { mode: 0o777 });
const fileInfo = await Deno.stat(filename);
await Deno.remove(filename);
assert(fileInfo && fileInfo.mode);
assertEquals(fileInfo.mode & 0o777, 0o777);
});
Deno.test(
"Mode is not set when rid is passed",
async function testCorrectFileModeRid() {
if (Deno.build.os === "windows") return;
const filename: string = await Deno.makeTempFile();
const file: Deno.File = await Deno.open(filename, {
create: true,
write: true,
read: true,
});
await writeFile(file.rid, "hello world", { mode: 0o777 });
Deno.close(file.rid);
const fileInfo = await Deno.stat(filename);
await Deno.remove(filename);
assert(fileInfo.mode);
assertNotEquals(fileInfo.mode & 0o777, 0o777);
}
);